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/System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/LaunchServices.framework/Versions/A/Support/lsregister -kill -r -domain local -domain system -domain user  && killall Finder

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#! /usr/bin/env python
#coding=utf-8

#----config part----
INIT_CMDS = ["iptables -F",#clean all
    "iptables -X",
    "iptables -t nat -F",
    "iptables -t nat -X",
    "iptables -P INPUT DROP",#forbid all
    "iptables -A INPUT -i lo -j ACCEPT"#accept all localhost

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/* Gmail style scrollbar */
::-webkit-scrollbar {
    width: 12px
}
::-webkit-scrollbar-thumb {
    border-width: 1px 1px 1px 2px
}
::-webkit-scrollbar-track {
    border-width: 0
}

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tmux shortcuts & cheatsheet

start new:

tmux

start new with session name:

tmux new -s myname

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" copy all this into a vim buffer, save it, then...
" source the file by typing :so %
" Now the vim buffer acts like a specialized application for mastering vim

" There are two queues, Study and Known.  Depending how confident you feel
" about the item you are currently learning, you can move it down several
" positions, all the way to the end of the Study queue, or to the Known
" queue.

" type ,, (that's comma comma)

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pip install virtualenvwrapper
source /usr/local/bin/virtualenvwrapper.sh

cat >> ~/.bashrc << “END”
    export WORKON_HOME=$HOME/.virtualenvs
    source /usr/local/bin/virtualenvwrapper.sh
END

mkvirtualenv myenv
workon myenv

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# -*- coding: utf-8 -*-
from django import forms

from crispy_forms.helper import FormHelper
from crispy_forms.layout import Layout, Div, Submit, HTML, Button, Row, Field
from crispy_forms.bootstrap import AppendedText, PrependedText, FormActions


class MessageForm(forms.Form):
    text_input = forms.CharField()

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import random
import collections
import bisect

def weighted_random_choice(candidates, field='weight'):
    '''
    use bisect to random get items with weighted probability, the weight field can be specified
    '''
    prepared_candidates = {}
    total_weight = 0

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export DJANGO_SETTINGS_MODULE='my_project.settings'
cd my_project/
python manage.py shell
from django.core.cache import cache
cache.clear()

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hardstatus on
hardstatus alwayslastline
hardstatus string "%{.bW}%-w%{.rY}%n %t%{-}%+w %=%{..G} %H(%l) %{..Y} %Y/%m/%d %c:%s "